Per comments, cage 4wsk7 is the oem
A headless, cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod, straight, headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin, straight, threaded.
NSN 5998-01-288-5195
NSN 5950-01-425-0797
NSN 6650-01-515-8231
NSN 5985-01-639-8150
NSN 5855-01-388-2424
NSN 6150-00-445-2382
NSN 6145-01-414-0271
NSN 6620-01-189-8153
NSN 4140-00-882-9358
NSN 5930-00-104-8619
NSN 6145-01-059-0398
NSN 5965-01-446-6945